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feat(security): add security context support for containers and pod templates #1156

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97e1bb2
feat(security): add security context support for containers and pod t…
facorazza Apr 18, 2026
6e9882d
Update helm/charts/nats/files/nats-box/deployment/container.yaml
facorazza Apr 18, 2026
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8 changes: 7 additions & 1 deletion helm/charts/nats/files/nats-box/deployment/container.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -46,4 +46,10 @@ volumeMounts:
{{- end }}

resources:
{{- toYaml .Values.natsBox.container.resources | nindent 2 }}
{{- toYaml .Values.natsBox.container.resources | nindent 2 }}

# security context
{{- with .Values.natsBox.container.securityContext }}
securityContext:
{{- toYaml . | nindent 2 }}
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{{- end }}
7 changes: 6 additions & 1 deletion helm/charts/nats/files/nats-box/deployment/pod-template.yaml
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Expand Up @@ -9,7 +9,7 @@ spec:

# service discovery uses DNS; don't need service env vars
enableServiceLinks: false

{{- with .Values.global.image.pullSecretNames }}
imagePullSecrets:
{{- range . }}
Expand Down Expand Up @@ -42,3 +42,8 @@ spec:
secret:
secretName: {{ .secretName | quote }}
{{- end }}
# security context
{{- with .Values.natsBox.podTemplate.securityContext }}
securityContext:
{{- toYaml . | nindent 4 }}
{{- end }}
5 changes: 5 additions & 0 deletions helm/charts/nats/files/stateful-set/nats-container.yaml
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Expand Up @@ -107,3 +107,8 @@ volumeMounts:

resources:
{{- toYaml .Values.container.resources | nindent 2 }}

{{- with .Values.container.securityContext }}
securityContext:
{{- toYaml . | nindent 2 }}
{{- end }}
10 changes: 8 additions & 2 deletions helm/charts/nats/files/stateful-set/pod-template.yaml
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Expand Up @@ -28,7 +28,7 @@ spec:

# service discovery uses DNS; don't need service env vars
enableServiceLinks: false

{{- with .Values.global.image.pullSecretNames }}
imagePullSecrets:
{{- range . }}
Expand Down Expand Up @@ -69,7 +69,13 @@ spec:
- {{ merge (dict "topologyKey" $k "labelSelector" (dict "matchLabels" (include "nats.selectorLabels" $ | fromYaml))) $v | toYaml | nindent 4 }}
{{- end }}
{{- end}}

# terminationGracePeriodSeconds determines how long to wait for graceful shutdown
# this should be at least `lameDuckGracePeriod` + 20s shutdown overhead
terminationGracePeriodSeconds: 60

# security context
{{- with .Values.podTemplate.securityContext }}
securityContext:
{{- toYaml . | nindent 4 }}
{{- end }}
5 changes: 5 additions & 0 deletions helm/charts/nats/files/stateful-set/prom-exporter-container.yaml
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Expand Up @@ -29,3 +29,8 @@ args:
{{- end }}
{{- $monitorProto := ternary "https" "http" .Values.config.monitor.tls.enabled }}
- {{ $monitorProto }}://{{ .Values.promExporter.monitorDomain }}:{{ .Values.config.monitor.port }}/

{{- with .Values.promExporter.securityContext }}
securityContext:
{{- toYaml . | nindent 2 }}
{{- end }}
5 changes: 5 additions & 0 deletions helm/charts/nats/files/stateful-set/reloader-container.yaml
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Expand Up @@ -25,3 +25,8 @@ volumeMounts:
{{- end }}
{{- end }}
{{- end }}

{{- with .Values.reloader.securityContext }}
securityContext:
{{- toYaml . | nindent 2 }}
{{- end }}
18 changes: 17 additions & 1 deletion helm/charts/nats/values.yaml
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Expand Up @@ -365,6 +365,9 @@ container:
# cpu: 100m
# memory: 128Mi

# security context
securityContext: {}

############################################################
# stateful set -> pod template -> reloader container
############################################################
Expand All @@ -386,6 +389,9 @@ reloader:
natsVolumeMountPrefixes:
- /etc/

# security context
securityContext: {}

# merge or patch the container
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.24/#container-v1-core
merge: {}
Expand All @@ -412,6 +418,9 @@ promExporter:
# env var map, see nats.env for an example
env: {}

# security context
securityContext: {}

# merge or patch the container
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.24/#container-v1-core
merge: {}
Expand Down Expand Up @@ -494,6 +503,9 @@ podTemplate:
#
topologySpreadConstraints: {}

# security context
securityContext: {}

# merge or patch the pod template
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.24/#pod-v1-core
merge: {}
Expand Down Expand Up @@ -594,7 +606,8 @@ natsBox:
registry:
digest:
fullImageName:
resources: {}
resources: {}
securityContext: {}

# env var map, see nats.env for an example
env: {}
Expand All @@ -619,6 +632,9 @@ natsBox:

# deployment -> pod template
podTemplate:
# security context
securityContext: {}

# merge or patch the pod template
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.24/#pod-v1-core
merge: {}
Expand Down
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